25940258 has 16 divisors (see below), whose sum is σ = 39782400. Its totient is φ = 12682656.

The previous prime is 25940237. The next prime is 25940279. The reversal of 25940258 is 85204952.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25940237) and next prime (25940279).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17843 + ... + 19241.

It is an arithmetic number, because the mean of its divisors is an integer number (2486400).

Almost surely, 2^25940258 is an apocalyptic number.

25940258 is a deficient number, since it is larger than the sum of its proper divisors (13842142).

25940258 is a wasteful number, since it uses less digits than its factorization.

25940258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25940258 is about 5093.1579594589. The cubic root of 25940258 is about 296.0225284168.

The spelling of 25940258 in words is "twenty-five million, nine hundred forty thousand, two hundred fifty-eight".